25. y = 2 cos yA 2 28. y = 2 sin ) -2TT -2 31. y = 3 sin (2x) (A)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
25,31
Where does f(x) = -1?
0 For what numbers x, – 27sIS 27, does f(x) = -?
(g) What are the.x-intercepts of f?
Prablems 13–22, determine the amplitude and period of each function without graphing.
(e) For what numbers x, - 2 s x s 27, does g (x) = 1?
Where does g(x) = -1?
(f) For what numbers x,-2T S xS 27,does g (x) =
(g) What are the x-intercepts of g?
14. y = 3 cos x
15. y = -3 cos (4x)
16. y = -sin
13. y = 5 sin x
4
\ 17. y = 6 sin ( 77.x)
18. y = -3 cos ( 3x)
19. y = -
cos
20. y =
sin
10
22. y =
21. y = -
In Problems 23–32, match the given function to one of the graphs (A)-(J).
24. y = 2 cos
25. y = 2 cosx
23. y = 2 sin
period is 4,w
27. y = -3 sin (2x)
28. y = 2 sin
-2T
26. y = 3 cos (2r)
20. y -
reasing near
30. y = -2 cos
31. y = 3 sin (2x)
29. y = -2 cos
(A)
X-axis. This
32. y = -2 sin
60 is
2
2-
2
-2
5T X
- IT
4TT
-2T
-2
(D)
(C)
(B)
yA
2
2
4
4
5.
-2
1
2
X
-2
-1
4
-2|
(G)
(F)
(E)
Transcribed Image Text:Where does f(x) = -1? 0 For what numbers x, – 27sIS 27, does f(x) = -? (g) What are the.x-intercepts of f? Prablems 13–22, determine the amplitude and period of each function without graphing. (e) For what numbers x, - 2 s x s 27, does g (x) = 1? Where does g(x) = -1? (f) For what numbers x,-2T S xS 27,does g (x) = (g) What are the x-intercepts of g? 14. y = 3 cos x 15. y = -3 cos (4x) 16. y = -sin 13. y = 5 sin x 4 \ 17. y = 6 sin ( 77.x) 18. y = -3 cos ( 3x) 19. y = - cos 20. y = sin 10 22. y = 21. y = - In Problems 23–32, match the given function to one of the graphs (A)-(J). 24. y = 2 cos 25. y = 2 cosx 23. y = 2 sin period is 4,w 27. y = -3 sin (2x) 28. y = 2 sin -2T 26. y = 3 cos (2r) 20. y - reasing near 30. y = -2 cos 31. y = 3 sin (2x) 29. y = -2 cos (A) X-axis. This 32. y = -2 sin 60 is 2 2- 2 -2 5T X - IT 4TT -2T -2 (D) (C) (B) yA 2 2 4 4 5. -2 1 2 X -2 -1 4 -2| (G) (F) (E)
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